/******************************************************************************
 *    Copyright 2013 IT2media - IT-Solutions for Directory Business           *
 *                                                                            *
 *  Licensed under the Apache License, Version 2.0 (the "License");           *
 *  you may not use this file except in compliance with the License.          *
 *  You may obtain a copy of the License at                                   *
 *                                                                            *
 *      http://www.apache.org/licenses/LICENSE-2.0                            *
 *                                                                            *
 *  Unless required by applicable law or agreed to in writing, software       *
 *  distributed under the License is distributed on an "AS IS" BASIS,         *
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
 *  See the License for the specific language governing permissions and       *
 *  limitations under the License.                                            *
 ******************************************************************************/
package de.it2media.javasitemapgenerator;

import java.text.SimpleDateFormat;
import java.util.Iterator;

import de.it2media.javasitemapgenerator.header.XMLNS;
import de.it2media.javasitemapgenerator.url.JavaSitemapGeneratorURL;

public class StringJavaSitemapGenerator extends AbstractJavaSitemapGenerator {

  /**
   * Inits the StringSitemapGenerator<br>
   * Will replace the SimpleDateFormat to the standard value: yyyy-MM-dd
   */
  public StringJavaSitemapGenerator() {
    this(false);
  }

  /**
   * Inits the StringSitemapGenerator<br>
   * Will replace the SimpleDateFormat to the standard value: yyyy-MM-dd<br>
   * if keepSimpleDateFormat == true 
   * 
   * @param keepSimpleDateFormat
   */
  public StringJavaSitemapGenerator(boolean keepSimpleDateFormat) {
    if (!keepSimpleDateFormat) {
      // override the default date format
      simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
    }
  }

  /**
   * Writes the sitemap!
   */
  public String export() {

    // create a string builder, because our string will grow
    StringBuilder sb = new StringBuilder(getXMLHeader());

    // add the xmlns entries
    sb.append("<urlset");
    for (Iterator<XMLNS> it = xmlns.iterator(); it.hasNext();) {
      sb.append(" " + it.next().toString());
    }
    sb.append(">\n");

    // for every url
    for (JavaSitemapGeneratorURL url : urls) {
      sb.append(url.toXMLFragment());
    }

    // terminate urlset and we are done
    sb.append("</urlset>");

    // now return a string
    return sb.toString();

  }
}
